- automatic warning device
- 自动告警装置
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
Automatic Warning System — The Automatic Warning System (AWS) is a form of limited cab signalling and train protection system introduced in 1956 in the United Kingdom to help train drivers observe and obey signals. It was based on a 1930 system developed by Alfred Ernest… … Wikipedia
Automatic Train Control — Japanese style ATC indicator. Automatic Train Control (ATC) is a train protection system for railways, ensuring the safe and smooth operation of trains on ATC enabled lines. Its main advantages include making possible the use of cab signalling… … Wikipedia
Automatic transmission — An automatic transmission (commonly AT or Auto ) is an automobile gearbox that can change gear ratios automatically as the vehicle moves, freeing the driver from having to shift gears manually. Similar but larger devices are also used for heavy… … Wikipedia
device — noun ADJECTIVE ▪ clever, ingenious ▪ labour saving/labor saving, useful ▪ complex, sophisticated ▪ simple … Collocations dictionary
PASS device — For other uses, see PASS (disambiguation). PASS device (red square) integrated into an SCBA unit to be armed automatically when the air circuit is opened (green line). A PASS device (Personal Alert Safety System) also known as an ADSU (Automatic… … Wikipedia
Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations … Wikipedia
Level crossing — This article is about at grade intersections between railway and road. For where two rail lines cross, see level junction. For a type of nuclear receptor (RXR), see Retinoid X receptor. A level crossing at Chertsey, England, as the barriers rise … Wikipedia
Japanese railway signals — This article explains railway signals in Japan.In Japanese ministerial decree defining technical standard of railway (鉄道に関する技術上の基準を定める省令 Tetsudō ni kansuru gijutsu jō no kijun wo sadameru shōrei), railway signals are defined to indicate… … Wikipedia
Glossary of military abbreviations — List of terms, acronyms, information, related to modern armour, artillery, infantry, weapons, and related military subject matter.* AA anti aircraft * AAA anti aircraft artillery Triple A * AAAV Advanced Amphibious Assault Vehicle * AAD Armoured… … Wikipedia
Dead Hand (nuclear war) — This article is about the Cold War nuclear control system. For the non fiction book, see The Dead Hand. Dead Hand (Russian: Система Периметр, Systema Perimetr)[1], known also as Perimeter,[2] is a Cold War era nuclear control system used by the… … Wikipedia
North American railroad signals — Main article: North American railway signaling Baltimore and Ohio Railroad Color Position Light bracket masts at Magnolia, West Virginia North American railroad signals generally fall into the category of multi headed electrically lit units… … Wikipedia